Licensed window and glass contractors in Porter Ranch, Los Angeles, CA
5 window and glass contractors hold an active licence on the Contractors State License Board (CSLB) register in Porter Ranch, checked 4 Nov 2026: 4 licensed 10 years or more, 100% bonded and none with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.
- Active licences
- 5
- Median time licensed
- 18.5 yrs
- Bonded
- 100%
- Lead-Safe certified
- 0
- Google reviews
- 18
Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.
Ranked list
- 1
Union Glass Company
- Licence active
- Bonded
- Workers' comp
- 2
Bilaver G Construction Inc
- Licence active
- Bonded
- Workers' comp
- 3
Aywazian Ossanna
- Licence active
- Bonded
- Works alone
- 4
Image Productions Inc
- Licence active
- Bonded
- Works alone
- 5
Vanguard Window Group
- Licence active
- Bonded
- Workers' comp
Questions people ask about window and glass contractors in Porter Ranch
How many licensed window and glass contractors are in Porter Ranch?
5 window and glass contractors hold an active Contractors State License Board (CSLB) licence with a mailing address in Porter Ranch, checked on 4 November 2026. 4 of them have been licensed for 10 years or more.
Does a window and glass contractor need a licence in California?
Yes, when the whole job, labour and materials, costs $1,000 or more or needs a permit. Below that, California's minor-work exemption (B&P Code 7048) applies, but only if they work alone. Look for an active C-17, C-61/D-52 licence.
How do I check a window and glass contractor's licence in Porter Ranch?
Ask for the licence number and look it up on the CSLB website, or search this page. Every window and glass contractor listed here was matched to an active licence on the CSLB register.
Which window and glass contractors rank highest in Porter Ranch?
By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Union Glass Company (87), Bilaver G Construction Inc (65), Aywazian Ossanna (63). Paying or claiming a listing never changes the order.
How much do window and glass contractors charge in Porter Ranch?
Window and glass contractors in the Los Angeles-Long Beach-Anaheim metro earn a median $30.85 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.
Do I need a lead-safe certified window and glass contractor in Porter Ranch?
If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the US Environmental Protection Agency. 48% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 0 of the 5 licensed window and glass contractors listed are certified.